Gentle suction using a vacuum cleaner hose. If the vacuum hose has an air bleed system to reduce the suction power, all the better.
Here's an alternative suggestion: https://lifehacker.com/repair-speak...st cap,that the angled end raises the dent up.
Here's an alternative suggestion: https://lifehacker.com/repair-speak...st cap,that the angled end raises the dent up.
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Some have used a straight-pin bent 90°. Push it into the center of the dent. Use the right-angle part (inside the cover) to pull out. You can rotate it if all of it fails to pull out. It leaves a tiny hole but that's better than a slice in it.
Tape or hot glue are some other options.
On thinner dust caps, you can usually pull the dent out by carefully applying a piece of Scotch or masking tape to the dent, then pulling. Starting gently in both cases - don't want to make it worse. Once you know how the tape/dust cap behave together, you can get a little more aggressive with the size and pull speed. Thicker dust caps may require a more aggressive tape that an average DIYer may not have.
Or you can take a small stick, put a blob of hot glue on it, stick that to the dust cap, and pull. Similar to the paintless dent repair process for cars. I've done this to metal cone drivers, but not paper.
Obviously with either method you should start small and progress up the size/strength ladder. If you start too aggressively, you may peel part of the surface off, since it looks like you're dealing with paper.
On thinner dust caps, you can usually pull the dent out by carefully applying a piece of Scotch or masking tape to the dent, then pulling. Starting gently in both cases - don't want to make it worse. Once you know how the tape/dust cap behave together, you can get a little more aggressive with the size and pull speed. Thicker dust caps may require a more aggressive tape that an average DIYer may not have.
Or you can take a small stick, put a blob of hot glue on it, stick that to the dust cap, and pull. Similar to the paintless dent repair process for cars. I've done this to metal cone drivers, but not paper.
Obviously with either method you should start small and progress up the size/strength ladder. If you start too aggressively, you may peel part of the surface off, since it looks like you're dealing with paper.
